Livestock drinking fountain



FIG. 1 is a perspective view of the livestock drinking fountain;

FIG. 2 is a top plan view thereof;

FIG. 3 is a side elevational view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a front elevational view thereof; and,

FIG. 6 is a rear elevational view thereof.

The ornamental design for a livestock drinking fountain, as shown anddescribed.